Can someone help me?

B

Explanation:

Y won't sink because his shoes have wider area

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.